HWH air leveling issue

Question

We have a 2003 Country Coach and We're having a problem with with our HWH air leveling where the right front airbag will not release air to lower the right front airbag of the coach for leveling. Using the HWH repair manual for the 500 series computer-controlled air leveling, I discovered there is no 12 volts reaching the solenoid, and further up stream, there is no 12 volts at the harness inside the control box. All fuses are good. The book says to change the control board which HWH tells me that this board is obsolete and the only thing I can do is send them the control board for repair and that the worst case scenario could be $925. Before I do this, does anyone have iny ideas? TIA.
Larry, 03 Allure 30856

ivylog · Answer

There are several HWH control boards on Ebay... do you have the part #If it looks like this... sells in 2 hours.

crasster · Answer

Ok, fuses are good.  Check on the control board and make sure all leads are securely in place.  It MAY be a wire issue somewhere.   Something loose or pinched.  When you say fuses are good, are they fuses specifically for the leveling jacks or are you talking about the main 12v control board?   Thought I'd throw some ideas at you. :)

ivylog · Answer

I usually manually air level my HWH 2000 system as on auto it wants to dump all of the air and then level which is OK if staying put for a week. Before spending $1000 I'd add a push button switch to put power to the RF solenoid and manually level.

tinkerwithit · Answer

I had a problem with a HWH board that need to be repaired and like you they said it could be $1000.00 for a new board.  I was only 50 miles from Moscow Ia so I made a appointment and hoped for the best.  I was very surprised that one hour after the appointment they repaired the board and charged me less than a hour shop time.  Total bill less than a hundred and no more problems.  I am very happy with HWH compared to many of the shops that ripped me off.

lfeather · Answer

crasster wrote:Ok, fuses are good.  Check on the control board and make sure all leads are securely in place.  It MAY be a wire issue somewhere.   Something loose or pinched.  When you say fuses are good, are they fuses specifically for the leveling jacks or are you talking about the main 12v control board?   Thought I'd throw some ideas at you. :)Crasster; the fuse(s) is the actual fuse for the solenoid that releases the air for the right front airbag.  It (and all others)  were good.  I even swapt the fuse out with a known good one. To thicken the plot,  I even forced 12 volts to that solenoid, and all it did was click,  but no air was released.  So,  it looks like I have more than one problem.  The valve may be sticking too.  Thanks for all the responses.

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HWH air leveling issue

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